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Henrymeyerite: BaFe++Ti7O16 Aegirine: NaFe+++Si2O6
Comments: A nearly black crystal of henrymeyerite with dark green prismatic crystals of aegirine in quartz.
Location: Green River formation, Uintah County, Utah, USA.
Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag
Comments: Slender prismatic crystals of henrymeyerite intergrown with stubby hexagonal prisms of fluorapatite and dolomite rhombohedra. (CanMin v 38. p 620).
Location: Kovdor alkaline ultramafic complex, Kola Peninsula, Russia.
Scale: Image size 0.2 mm.
© Canadian Mineralogist